221     lock_guard<mutex> lock(observers_lock_);  in AddObserver()
226     lock_guard<mutex> lock(observers_lock_);  in RemoveObserver()
534           lock_guard<mutex> lock(observers_lock_);  in AdapterPropertiesCallback()
592           lock_guard<mutex> lock(observers_lock_);  in AdapterPropertiesCallback()
614       lock_guard<mutex> lock(observers_lock_);  in RemoteDevicePropertiesCallback()
628     lock_guard<mutex> lock(observers_lock_);  in RemoteDevicePropertiesCallback()
639     lock_guard<mutex> lock(observers_lock_);  in DeviceFoundCallback()
669     lock_guard<mutex> lock(observers_lock_);  in SSPRequestCallback()
680     lock_guard<mutex> lock(observers_lock_);  in BondStateChangedCallback()
711     lock_guard<mutex> lock(observers_lock_);  in AclStateChangedCallback()
743     lock_guard<mutex> lock(observers_lock_);  in NotifyAdapterStateChanged()
767   std::mutex observers_lock_;  member in bluetooth::AdapterImpl